/* ═══════════════════════════════════════════════════════════════
   Someday — design system
   Midnight indigo · champagne gold · blush  |  child = amber, couple = rose
   ═══════════════════════════════════════════════════════════════ */

@font-face{font-family:"Hind Siliguri";src:url(../fonts/HindSiliguri-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Hind Siliguri";src:url(../fonts/HindSiliguri-Medium.woff2) format("woff2");font-weight:500;font-display:swap}
@font-face{font-family:"Hind Siliguri";src:url(../fonts/HindSiliguri-SemiBold.woff2) format("woff2");font-weight:600;font-display:swap}
@font-face{font-family:"Hind Siliguri";src:url(../fonts/HindSiliguri-Bold.woff2) format("woff2");font-weight:700;font-display:swap}
@font-face{font-family:"Tiro Bangla";src:url(../fonts/TiroBangla-Regular.woff2) format("woff2");font-weight:400;font-display:swap}
@font-face{font-family:"Tiro Bangla";src:url(../fonts/TiroBangla-Italic.woff2) format("woff2");font-weight:400;font-style:italic;font-display:swap}
@font-face{font-family:"Galada";src:url(../fonts/Galada-Regular.woff2) format("woff2");font-weight:400;font-display:swap}

:root{
  --ink:#1E1A3A; --ink-2:#4A4568; --ink-3:#7C7796;
  --bg:#FBF7F1; --bg-2:#F4EEE4; --surface:#FFFFFF; --surface-2:#FBF8F3;
  --line:rgba(30,26,58,.10); --line-2:rgba(30,26,58,.18);
  --night:#120E2B; --night-2:#1B1440; --night-3:#2A2160;
  --gold:#C9A25E; --gold-2:#E7CB8F; --gold-ink:#8A6A2C;
  --blush:#EBC1B7; --blush-2:#F7E3DC;
  --child:#D9803F; --child-2:#F6C98B; --child-soft:#FCEBD9; --child-ink:#9A4F17;
  --couple:#D45D79; --couple-2:#F2A7B6; --couple-soft:#FBE2E8; --couple-ink:#9C2F4B;
  --ok:#2F9E6E; --warn:#C98A1B; --bad:#D04B4B;
  --paper:#FFFDF8; --paper-line:rgba(120,140,190,.20); --paper-margin:rgba(220,110,110,.35);
  --shadow-1:0 1px 2px rgba(20,14,50,.06),0 2px 8px rgba(20,14,50,.05);
  --shadow-2:0 6px 24px rgba(20,14,50,.09),0 2px 6px rgba(20,14,50,.05);
  --shadow-3:0 24px 60px rgba(20,14,50,.18),0 8px 20px rgba(20,14,50,.08);
  --r-s:10px; --r:16px; --r-l:24px; --r-xl:32px;
  --font:"Hind Siliguri",system-ui,-apple-system,"Segoe UI",sans-serif;
  --serif:"Tiro Bangla","Hind Siliguri",Georgia,serif;
  --script:"Galada","Tiro Bangla",cursive;
  --ease:cubic-bezier(.22,.8,.26,1); --spring:cubic-bezier(.34,1.56,.64,1);
  --accent:var(--gold); --accent-2:var(--gold-2); --accent-soft:#F6EEDC; --accent-ink:var(--gold-ink);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){ :root:not(.sd-light){
  --ink:#F3EEE6; --ink-2:#C8C2DA; --ink-3:#938DAE;
  --bg:#0F0B24; --bg-2:#151033; --surface:#1A1539; --surface-2:#211B47;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.16);
  --paper:#1F1A40; --paper-line:rgba(170,180,255,.10); --paper-margin:rgba(240,130,140,.28);
  --child-soft:rgba(217,128,63,.16); --child-ink:#F4B27A;
  --couple-soft:rgba(212,93,121,.17); --couple-ink:#F59AB0;
  --accent-soft:rgba(201,162,94,.15); --accent-ink:#E7CB8F; --gold-ink:#E7CB8F;
  --blush-2:rgba(235,193,183,.12);
  --shadow-1:0 1px 2px rgba(0,0,0,.3); --shadow-2:0 8px 28px rgba(0,0,0,.35); --shadow-3:0 28px 70px rgba(0,0,0,.55);
  color-scheme:dark;
}}
:root.sd-dark{
  --ink:#F3EEE6; --ink-2:#C8C2DA; --ink-3:#938DAE;
  --bg:#0F0B24; --bg-2:#151033; --surface:#1A1539; --surface-2:#211B47;
  --line:rgba(255,255,255,.08); --line-2:rgba(255,255,255,.16);
  --paper:#1F1A40; --paper-line:rgba(170,180,255,.10); --paper-margin:rgba(240,130,140,.28);
  --child-soft:rgba(217,128,63,.16); --child-ink:#F4B27A;
  --couple-soft:rgba(212,93,121,.17); --couple-ink:#F59AB0;
  --accent-soft:rgba(201,162,94,.15); --accent-ink:#E7CB8F; --gold-ink:#E7CB8F;
  --blush-2:rgba(235,193,183,.12);
  --shadow-1:0 1px 2px rgba(0,0,0,.3); --shadow-2:0 8px 28px rgba(0,0,0,.35); --shadow-3:0 28px 70px rgba(0,0,0,.55);
  color-scheme:dark;
}
.k-child{--accent:var(--child);--accent-2:var(--child-2);--accent-soft:var(--child-soft);--accent-ink:var(--child-ink)}
.k-couple{--accent:var(--couple);--accent-2:var(--couple-2);--accent-soft:var(--couple-soft);--accent-ink:var(--couple-ink)}

/* ───── base ───── */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body.sd-body{margin:0;background:var(--bg);color:var(--ink);font:400 16px/1.7 var(--font);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;overflow-x:hidden}
.sd-body img{max-width:100%;display:block}
:where(.sd-body) a{color:inherit}
.sd-body h1,.sd-body h2,.sd-body h3,.sd-body h4{margin:0 0 .4em;line-height:1.3;font-weight:700;letter-spacing:-.005em}
.sd-body p{margin:0 0 1em}
:where(.sd-body) button{font:inherit;color:inherit}
.sd-tab,.sd-chip,.sd-logo,.sd-device,.sd-waiting,.sd-ibtn,.sd-navlink,.sd-space{text-decoration:none}
.sd-i{width:1.25em;height:1.25em;flex:none;vertical-align:-.25em}
::selection{background:rgba(201,162,94,.35)}
:focus-visible{outline:2.5px solid var(--gold);outline-offset:2px;border-radius:6px}
.sd-wrap{width:min(1180px,100% - 40px);margin-inline:auto}
.sd-narrow{width:min(760px,100% - 40px);margin-inline:auto}
.sd-script{font-family:var(--script);font-weight:400;letter-spacing:0}
.sd-serif{font-family:var(--serif)}
.sd-muted{color:var(--ink-3)}
.sd-center{text-align:center}
.sd-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}
.sd-hide{display:none!important}

/* ───── buttons ───── */
.sd-btn{--b:var(--ink);display:inline-flex;align-items:center;justify-content:center;gap:.55em;min-height:46px;padding:.65em 1.35em;border-radius:999px;border:0;cursor:pointer;font-weight:600;font-size:15.5px;text-decoration:none;line-height:1.2;transition:transform .18s var(--ease),box-shadow .25s var(--ease),background .2s,color .2s,opacity .2s;-webkit-tap-highlight-color:transparent;white-space:nowrap;user-select:none}
.sd-btn:active{transform:scale(.97)}
.sd-btn[disabled]{opacity:.5;pointer-events:none}
.sd-btn-gold{background:linear-gradient(135deg,#E9CF96 0%,#C9A25E 55%,#B48843 100%);color:#2A1E07;box-shadow:0 6px 20px rgba(201,162,94,.35),inset 0 1px 0 rgba(255,255,255,.45)}
.sd-btn-gold:hover{box-shadow:0 10px 30px rgba(201,162,94,.5),inset 0 1px 0 rgba(255,255,255,.45);transform:translateY(-1px)}
.sd-btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px color-mix(in srgb,var(--accent) 35%,transparent)}
.sd-btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px)}
.sd-btn-ink{background:var(--ink);color:var(--bg)}
.sd-btn-ghost{background:transparent;color:var(--ink);box-shadow:inset 0 0 0 1.5px var(--line-2)}
.sd-btn-ghost:hover{background:var(--surface-2)}
.sd-btn-soft{background:var(--accent-soft);color:var(--accent-ink)}
.sd-btn-soft:hover{filter:brightness(.98)}
.sd-btn-danger{background:transparent;color:var(--bad);box-shadow:inset 0 0 0 1.5px color-mix(in srgb,var(--bad) 40%,transparent)}
.sd-btn-danger:hover{background:color-mix(in srgb,var(--bad) 8%,transparent)}
.sd-btn-glass{background:rgba(255,255,255,.1);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25);backdrop-filter:blur(10px)}
.sd-btn-glass:hover{background:rgba(255,255,255,.18)}
.sd-btn-sm{min-height:36px;padding:.45em 1em;font-size:14px}
.sd-btn-lg{min-height:56px;padding:.8em 1.8em;font-size:17px}
.sd-btn-block{width:100%}
.sd-ibtn{display:inline-grid;place-items:center;width:42px;height:42px;border-radius:999px;border:0;background:transparent;color:var(--ink-2);cursor:pointer;transition:background .2s,color .2s,transform .15s}
.sd-ibtn:hover{background:var(--surface-2);color:var(--ink)}
.sd-ibtn:active{transform:scale(.92)}
.sd-ibtn.on{color:var(--gold)}
.sd-ibtn .sd-i{width:22px;height:22px}
.sd-btn .spin,.sd-spin{width:18px;height:18px;border-radius:50%;border:2.5px solid currentColor;border-right-color:transparent;animation:sdSpin .7s linear infinite;display:inline-block}
@keyframes sdSpin{to{transform:rotate(360deg)}}

/* ───── header / footer (site pages) ───── */
.sd-top{position:fixed;inset:0 0 auto;z-index:50;transition:background .3s,box-shadow .3s,backdrop-filter .3s}
.sd-top .sd-wrap{display:flex;align-items:center;gap:20px;height:72px}
.sd-logo{display:inline-flex;align-items:center;gap:10px;text-decoration:none;font-weight:700;font-size:21px;letter-spacing:.01em}
.sd-logo-mark{width:36px;height:36px;border-radius:11px;background:linear-gradient(140deg,#2A2160,#120E2B);display:grid;place-items:center;box-shadow:inset 0 0 0 1px rgba(231,203,143,.35),0 4px 12px rgba(18,14,43,.3)}
.sd-logo-mark svg{width:22px;height:22px}
.sd-logo b{font-family:var(--script);font-weight:400;font-size:26px;line-height:1;transform:translateY(2px)}
.sd-nav{display:flex;gap:4px;margin-left:auto;align-items:center}
.sd-nav a{text-decoration:none;padding:8px 14px;border-radius:999px;font-weight:500;font-size:15px;opacity:.86;transition:background .2s,opacity .2s}
.sd-nav a:hover{opacity:1;background:rgba(255,255,255,.08)}
.sd-nav .sd-btn{margin-left:8px;opacity:1}
.sd-nav-toggle{display:none;margin-left:auto}
.sd-on-dark{color:#F3EEE6}
.sd-scrolled .sd-top{background:color-mix(in srgb,var(--night) 82%,transparent);backdrop-filter:saturate(1.4) blur(14px);box-shadow:0 1px 0 rgba(255,255,255,.06)}
.sd-top.solid{background:var(--night);}
@media (max-width:860px){
  .sd-nav-toggle{display:inline-grid;color:#fff}
  .sd-nav{position:fixed;inset:72px 12px auto;flex-direction:column;align-items:stretch;padding:14px;border-radius:var(--r-l);background:rgba(18,14,43,.96);backdrop-filter:blur(16px);box-shadow:var(--shadow-3);transform:translateY(-12px) scale(.98);opacity:0;pointer-events:none;transition:.25s var(--ease)}
  .sd-nav a{padding:12px 16px;font-size:16px}
  .sd-nav .sd-btn{margin:8px 0 0}
  .sd-nav-open .sd-nav{transform:none;opacity:1;pointer-events:auto}
}
.sd-foot{background:var(--night);color:#BFB8D8;padding:64px 0 34px;position:relative;overflow:hidden}
.sd-foot .sd-wrap{position:relative}
.sd-foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:40px}
.sd-foot h4{color:#F3EEE6;font-size:15px;margin-bottom:12px}
.sd-foot a{display:block;text-decoration:none;padding:4px 0;color:#BFB8D8;transition:color .2s}
.sd-foot a:hover{color:var(--gold-2)}
.sd-foot .sd-logo{color:#F3EEE6;margin-bottom:14px}
.sd-foot-bottom{margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:14px;color:#8E87AC}
@media (max-width:760px){.sd-foot-grid{grid-template-columns:1fr 1fr}.sd-foot-grid>div:first-child{grid-column:1/-1}}

/* ───── landing: hero ───── */
.sd-hero{position:relative;min-height:100vh;min-height:100svh;background:radial-gradient(120% 80% at 70% 0%,#3A2C7A 0%,#1B1440 45%,#0C0920 100%);color:#F3EEE6;overflow:hidden;display:flex;align-items:center;padding:120px 0 90px}
.sd-hero::after{content:"";position:absolute;inset:auto 0 0;height:180px;background:linear-gradient(to bottom,transparent,var(--bg));pointer-events:none}
.sd-sky{position:absolute;inset:0;width:100%;height:100%;pointer-events:none}
.sd-moon{position:absolute;top:13%;right:9%;width:120px;height:120px;border-radius:50%;background:radial-gradient(circle at 35% 35%,#FFF6E0,#E9CF96 55%,#B48843);box-shadow:0 0 80px 20px rgba(233,207,150,.25),0 0 200px 60px rgba(233,207,150,.12);opacity:.92}
.sd-moon::after{content:"";position:absolute;inset:-6px -30px auto auto;width:110px;height:110px;border-radius:50%;background:#251c58;opacity:.0}
.sd-hero .sd-wrap{position:relative;z-index:2;display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center}
.sd-eyebrow{display:inline-flex;align-items:center;gap:8px;padding:6px 14px 6px 8px;border-radius:999px;background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);font-size:14px;color:#E7DFF8;margin-bottom:22px;backdrop-filter:blur(6px)}
.sd-eyebrow span{display:inline-grid;place-items:center;width:24px;height:24px;border-radius:50%;background:linear-gradient(135deg,#E9CF96,#B48843);color:#2A1E07;font-size:13px}
.sd-hero h1{font-size:clamp(34px,4.4vw,58px);line-height:1.22;font-weight:700;margin-bottom:22px}
.sd-hero h1 .sd-script{display:block;font-size:1.04em;line-height:1.25;background:linear-gradient(100deg,#F7E3B8,#E7CB8F 40%,#F2B8B0 90%);-webkit-background-clip:text;background-clip:text;color:transparent;padding-bottom:.08em}
.sd-hero .lead{font-size:clamp(17px,1.6vw,19.5px);color:#CFC8E6;max-width:560px;margin-bottom:34px}
.sd-hero-cta{display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.sd-hero-trust{display:flex;gap:22px;flex-wrap:wrap;margin-top:34px;color:#B4ADCF;font-size:14.5px}
.sd-hero-trust span{display:inline-flex;align-items:center;gap:7px}
.sd-hero-trust .sd-i{color:var(--gold-2)}
@media (max-width:960px){.sd-hero .sd-wrap{grid-template-columns:1fr;text-align:center}.sd-hero .lead{margin-inline:auto}.sd-hero-cta,.sd-hero-trust{justify-content:center}.sd-moon{width:64px;height:64px;top:84px;right:-14px;opacity:.75}}

/* hero envelope + letter */
.sd-hero-art{position:relative;height:460px;perspective:1400px}
.sd-hero-env{position:absolute;left:50%;top:56%;width:min(400px,86vw);aspect-ratio:1.48;transform:translate(-50%,-50%) rotate(-3deg);animation:sdFloat 7s ease-in-out infinite}
.sd-env-back{position:absolute;inset:0;border-radius:14px;background:linear-gradient(160deg,#EFD9C6,#D9B79E);box-shadow:0 40px 80px rgba(0,0,0,.45)}
.sd-env-letter{position:absolute;left:7%;right:7%;top:8%;height:86%;border-radius:8px;background:#FFFDF6;padding:20px 22px;color:#2E2A4A;font-family:var(--serif);font-size:15.5px;line-height:1.9;transition:transform 1.1s var(--ease) .35s;box-shadow:0 4px 14px rgba(0,0,0,.12);background-image:repeating-linear-gradient(to bottom,transparent 0 28px,rgba(110,130,190,.16) 28px 29px);background-position:0 18px;overflow:hidden}
.sd-env-letter .sd-hl{display:block;min-height:29px;white-space:nowrap;overflow:hidden}
.sd-env-letter .sd-hl:first-child{font-family:var(--script);font-size:20px;color:#9C2F4B}
.sd-env-letter::after{content:"";display:inline-block;width:2px;height:18px;background:#9C2F4B;animation:sdBlink 1s steps(1) infinite;position:absolute;bottom:22px;right:22px;opacity:.0}
.sd-hero-env.open .sd-env-letter{transform:translateY(-58%)}
.sd-env-front{position:absolute;inset:0;border-radius:14px;overflow:hidden;pointer-events:none}
.sd-env-front::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,#F5E4D3,#E2C3AA);clip-path:polygon(0 0,50% 58%,100% 0,100% 100%,0 100%)}
.sd-env-front::after{content:"";position:absolute;inset:0;background:linear-gradient(200deg,rgba(0,0,0,.06),transparent 40%);clip-path:polygon(0 100%,50% 52%,100% 100%)}
.sd-env-flap{position:absolute;inset:0 0 auto;height:62%;transform-origin:top;transition:transform .9s var(--ease),z-index 0s .45s;z-index:3}
.sd-env-flap::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,#E8CDB6,#D7B297);clip-path:polygon(0 0,100% 0,50% 100%);border-radius:14px 14px 0 0;filter:drop-shadow(0 4px 6px rgba(0,0,0,.12))}
.sd-hero-env.open .sd-env-flap{transform:rotateX(180deg);z-index:0}
.sd-env-seal{position:absolute;left:50%;top:58%;width:62px;height:62px;margin:-31px 0 0 -31px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#E46C83,#B23452 60%,#86203A);display:grid;place-items:center;color:#FFE3E8;box-shadow:0 4px 12px rgba(120,20,40,.45),inset 0 -3px 6px rgba(0,0,0,.25),inset 0 2px 4px rgba(255,255,255,.25);z-index:4;transition:transform .5s var(--spring),opacity .4s}
.sd-env-seal svg{width:30px;height:30px}
.sd-hero-env.open .sd-env-seal{transform:scale(.4) translateY(-40px);opacity:0}
.sd-env-stamp{position:absolute;right:14px;bottom:14px;width:54px;height:64px;background:#fff;border-radius:4px;padding:4px;box-shadow:0 2px 6px rgba(0,0,0,.12);z-index:2;transform:rotate(5deg);outline:2px dashed rgba(42,33,96,.25);outline-offset:-3px}
.sd-env-stamp div{width:100%;height:100%;border-radius:2px;background:linear-gradient(140deg,#2A2160,#6B4FB5);display:grid;place-items:center;color:#E7CB8F;font-family:var(--script);font-size:12px}
.sd-hero-badge{position:absolute;z-index:5;display:flex;align-items:center;gap:10px;padding:10px 14px;border-radius:16px;background:rgba(27,20,64,.82);backdrop-filter:blur(12px);box-shadow:inset 0 0 0 1px rgba(255,255,255,.16),0 14px 34px rgba(0,0,0,.35);font-size:13.5px;color:#F3EEE6;animation:sdFloat 6s ease-in-out infinite}
.sd-hero-badge b{display:block;font-size:15px}
.sd-hero-badge .ico{width:36px;height:36px;border-radius:11px;display:grid;place-items:center;background:linear-gradient(135deg,#E9CF96,#B48843);color:#2A1E07}
.sd-hero-badge.b1{left:-24px;top:0;animation-delay:-2s}
.sd-hero-badge.b2{right:-10px;bottom:0;animation-delay:-4s}
.sd-hero-badge.b2 .ico{background:linear-gradient(135deg,#F2A7B6,#D45D79);color:#fff}
@keyframes sdFloat{0%,100%{translate:0 0}50%{translate:0 -12px}}
@keyframes sdBlink{50%{opacity:0}}
@media (max-width:960px){.sd-hero-art{height:380px;margin-top:10px}.sd-hero-badge{display:none}}

/* ───── landing: sections ───── */
.sd-sec{padding:110px 0;position:relative}
.sd-sec-alt{background:var(--bg-2)}
.sd-sec-head{text-align:center;max-width:720px;margin:0 auto 60px}
.sd-kicker{display:inline-block;font-weight:600;font-size:14px;letter-spacing:.06em;color:var(--gold-ink);background:var(--accent-soft);padding:5px 14px;border-radius:999px;margin-bottom:16px}
.sd-sec-head h2{font-size:clamp(28px,3.6vw,44px)}
.sd-sec-head p{font-size:18px;color:var(--ink-2)}
.sd-reveal{opacity:0;transform:translateY(26px);transition:opacity .8s var(--ease),transform .8s var(--ease)}
.sd-reveal.in{opacity:1;transform:none}
.sd-reveal.d1{transition-delay:.08s}.sd-reveal.d2{transition-delay:.16s}.sd-reveal.d3{transition-delay:.24s}.sd-reveal.d4{transition-delay:.32s}.sd-reveal.d5{transition-delay:.4s}
@media (prefers-reduced-motion:reduce){.sd-reveal{opacity:1;transform:none;transition:none}*{animation-duration:.01ms!important;animation-iteration-count:1!important}}

/* product cards */
.sd-products{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.sd-product{position:relative;border-radius:var(--r-xl);padding:42px 38px 36px;overflow:hidden;background:var(--surface);box-shadow:var(--shadow-2);isolation:isolate;transition:transform .4s var(--ease),box-shadow .4s}
.sd-product:hover{transform:translateY(-6px);box-shadow:var(--shadow-3)}
.sd-product::before{content:"";position:absolute;inset:0;z-index:-1;background:radial-gradient(90% 70% at 100% 0%,var(--accent-soft),transparent 70%)}
.sd-product .tag{display:inline-flex;align-items:center;gap:8px;font-weight:600;font-size:14px;color:var(--accent-ink);margin-bottom:18px}
.sd-product .big-ico{width:64px;height:64px;border-radius:20px;display:grid;place-items:center;background:linear-gradient(140deg,var(--accent-2),var(--accent));color:#fff;margin-bottom:22px;box-shadow:0 10px 24px color-mix(in srgb,var(--accent) 35%,transparent)}
.sd-product .big-ico .sd-i{width:32px;height:32px}
.sd-product h3{font-size:28px;margin-bottom:4px}
.sd-product .sub{font-family:var(--script);font-size:22px;color:var(--accent);margin-bottom:16px;display:block}
.sd-product ul{list-style:none;padding:0;margin:22px 0 30px;display:grid;gap:12px}
.sd-product li{display:flex;gap:12px;align-items:flex-start;color:var(--ink-2)}
.sd-product li .sd-i{color:var(--accent);margin-top:4px}
@media (max-width:860px){.sd-products{grid-template-columns:1fr}.sd-product{padding:32px 26px}}

/* features */
.sd-feats{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.sd-feat{padding:28px 26px;border-radius:var(--r-l);background:var(--surface);box-shadow:var(--shadow-1);border:1px solid var(--line);transition:transform .3s var(--ease),box-shadow .3s,border-color .3s}
.sd-feat:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:transparent}
.sd-feat .fi{width:50px;height:50px;border-radius:15px;display:grid;place-items:center;margin-bottom:18px;background:var(--accent-soft);color:var(--accent-ink)}
.sd-feat .fi .sd-i{width:26px;height:26px}
.sd-feat h4{font-size:19px;margin-bottom:6px}
.sd-feat p{color:var(--ink-2);margin:0;font-size:15.5px}
.sd-feat:nth-child(3n+2) .fi{background:var(--child-soft);color:var(--child-ink)}
.sd-feat:nth-child(3n+3) .fi{background:var(--couple-soft);color:var(--couple-ink)}
@media (max-width:960px){.sd-feats{grid-template-columns:1fr 1fr}}
@media (max-width:620px){.sd-feats{grid-template-columns:1fr}}

/* steps */
.sd-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:s;position:relative}
.sd-steps::before{content:"";position:absolute;top:34px;left:12%;right:12%;height:2px;background:repeating-linear-gradient(90deg,var(--gold) 0 8px,transparent 8px 16px);opacity:.5}
.sd-step{text-align:center;position:relative}
.sd-step .n{width:68px;height:68px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;background:var(--surface);box-shadow:var(--shadow-2),inset 0 0 0 2px var(--gold);color:var(--gold-ink);position:relative;z-index:1}
.sd-step .n .sd-i{width:30px;height:30px}
.sd-step h4{font-size:18px}
.sd-step p{color:var(--ink-2);font-size:15px}
@media (max-width:860px){.sd-steps{grid-template-columns:1fr 1fr;row-gap:36px}.sd-steps::before{display:none}}

/* quote band */
.sd-quote{background:linear-gradient(135deg,#1B1440,#2A2160 60%,#3A2C7A);color:#F3EEE6;border-radius:var(--r-xl);padding:70px 50px;text-align:center;position:relative;overflow:hidden}
.sd-quote canvas{opacity:.6}
.sd-quote>*:not(.sd-sky){position:relative}
.sd-quote blockquote{margin:0 auto;max-width:780px;font-family:var(--serif);font-size:clamp(22px,2.8vw,32px);line-height:1.6;position:relative}
.sd-quote cite{display:block;margin-top:20px;font-style:normal;color:var(--gold-2);font-family:var(--script);font-size:24px}

/* security */
.sd-sec-grid{display:grid;grid-template-columns:1fr 1fr;gap:60px;align-items:center}
.sd-checks{display:grid;gap:16px;margin:26px 0 0;padding:0;list-style:none}
.sd-checks li{display:flex;gap:14px;align-items:flex-start;padding:16px 18px;border-radius:var(--r);background:var(--surface);box-shadow:var(--shadow-1)}
.sd-checks .ci{width:38px;height:38px;flex:none;border-radius:12px;display:grid;place-items:center;background:rgba(47,158,110,.12);color:var(--ok)}
.sd-checks b{display:block;font-size:16px}
.sd-checks span{color:var(--ink-2);font-size:15px}
.sd-vault{position:relative;aspect-ratio:1;width:100%;max-width:440px;margin:auto;border-radius:50%;background:radial-gradient(circle,var(--accent-soft),transparent 70%);display:grid;place-items:center}
.sd-vault .ring{position:absolute;inset:8%;border-radius:50%;border:1.5px dashed color-mix(in srgb,var(--gold) 60%,transparent);animation:sdSpin 60s linear infinite}
.sd-vault .ring.r2{inset:20%;border-style:solid;border-color:var(--line-2);animation-duration:90s;animation-direction:reverse}
.sd-vault .core{width:44%;aspect-ratio:1;border-radius:32%;background:linear-gradient(140deg,#2A2160,#120E2B);display:grid;place-items:center;color:var(--gold-2);box-shadow:var(--shadow-3),inset 0 0 0 1px rgba(231,203,143,.3)}
.sd-vault .core .sd-i{width:42%;height:42%}
.sd-vault .orb{position:absolute;width:46px;height:46px;border-radius:14px;background:var(--surface);box-shadow:var(--shadow-2);display:grid;place-items:center;color:var(--accent-ink)}
.sd-vault .o1{top:6%;left:46%}.sd-vault .o2{bottom:14%;left:8%;color:var(--child-ink)}.sd-vault .o3{bottom:14%;right:8%;color:var(--couple-ink)}
@media (max-width:860px){.sd-sec-grid{grid-template-columns:1fr;gap:40px}}

/* app band */
.sd-appband{display:grid;grid-template-columns:1fr 1fr;gap:50px;align-items:center;background:var(--surface);border-radius:var(--r-xl);padding:56px;box-shadow:var(--shadow-2);overflow:hidden;position:relative}
.sd-appband h2{font-size:clamp(26px,3vw,38px)}
.sd-store-row{display:flex;gap:12px;flex-wrap:wrap;margin-top:22px}
.sd-phone{position:relative;width:250px;height:510px;margin:auto;border-radius:42px;background:#0C0920;padding:12px;box-shadow:var(--shadow-3),inset 0 0 0 2px #2b2556;transform:rotate(4deg)}
.sd-phone::before{content:"";position:absolute;top:20px;left:50%;width:80px;height:22px;margin-left:-40px;border-radius:20px;background:#000;z-index:3}
.sd-phone-screen{width:100%;height:100%;border-radius:32px;overflow:hidden;background:linear-gradient(180deg,#1B1440,#2A2160);position:relative;padding:56px 16px 16px;color:#F3EEE6}
.sd-phone-screen h5{font-family:var(--script);font-weight:400;font-size:26px;margin:0 0 12px;color:var(--gold-2)}
.sd-mini-card{border-radius:16px;padding:12px 14px;margin-bottom:10px;background:rgba(255,255,255,.08);box-shadow:inset 0 0 0 1px rgba(255,255,255,.1);font-size:12.5px;display:flex;gap:10px;align-items:center}
.sd-mini-card .e{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;font-size:18px;background:rgba(255,255,255,.1)}
.sd-mini-card b{display:block;font-size:13.5px}
.sd-mini-card small{color:#B4ADCF}
@media (max-width:860px){.sd-appband{grid-template-columns:1fr;padding:36px 24px;text-align:center}.sd-store-row{justify-content:center}}

/* FAQ */
.sd-faqs{max-width:820px;margin:auto;display:grid;gap:12px}
.sd-faq{border-radius:var(--r);background:var(--surface);box-shadow:var(--shadow-1);overflow:hidden}
.sd-faq button{width:100%;text-align:left;padding:20px 24px;background:none;border:0;cursor:pointer;display:flex;justify-content:space-between;align-items:center;gap:16px;font-weight:600;font-size:17px}
.sd-faq button .sd-i{transition:transform .3s var(--ease);color:var(--gold-ink)}
.sd-faq .a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .35s var(--ease)}
.sd-faq .a>div{overflow:hidden;padding:0 24px;color:var(--ink-2)}
.sd-faq.open .a{grid-template-rows:1fr}
.sd-faq.open .a>div{padding-bottom:20px}
.sd-faq.open button .sd-i{transform:rotate(45deg)}

/* CTA */
.sd-cta{text-align:center;padding:100px 20px;background:radial-gradient(100% 120% at 50% 100%,#3A2C7A,#1B1440 55%,#0C0920);color:#F3EEE6;position:relative;overflow:hidden}
.sd-cta h2{font-size:clamp(30px,4vw,50px);position:relative}
.sd-cta p{color:#CFC8E6;font-size:18px;position:relative;margin-bottom:30px}

/* ───── content pages (privacy / terms / download) ───── */
.sd-page-hero{background:radial-gradient(120% 100% at 70% 0%,#3A2C7A,#1B1440 50%,#0C0920);color:#F3EEE6;padding:150px 0 90px;text-align:center;position:relative;overflow:hidden}
.sd-page-hero h1{font-size:clamp(32px,4.4vw,52px);position:relative}
.sd-page-hero p{color:#CFC8E6;font-size:18px;position:relative;max-width:640px;margin:auto}
.sd-prose{padding:70px 0 100px;font-size:17px}
.sd-prose h2{font-size:24px;margin:44px 0 14px;display:flex;align-items:center;gap:10px}
.sd-prose h2 .sd-i{color:var(--gold-ink)}
.sd-prose ul{padding-left:1.2em}
.sd-prose li{margin-bottom:.5em}
.sd-prose .note{padding:18px 22px;border-radius:var(--r);background:var(--accent-soft);border-left:4px solid var(--gold)}
.sd-dl-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:30px;margin-top:-50px;position:relative;z-index:2}
.sd-dl-card{background:var(--surface);border-radius:var(--r-xl);padding:40px;box-shadow:var(--shadow-3)}
.sd-qr{width:190px;height:190px;margin:10px auto 16px;padding:12px;border-radius:20px;background:#fff;box-shadow:var(--shadow-1)}
.sd-qr svg,.sd-qr canvas,.sd-qr img{width:100%;height:100%}
.sd-steps-v{counter-reset:v;list-style:none;padding:0;margin:20px 0 0;display:grid;gap:14px}
.sd-steps-v li{counter-increment:v;display:flex;gap:14px;align-items:flex-start}
.sd-steps-v li::before{content:counter(v);flex:none;width:30px;height:30px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--gold-ink);font-weight:700;font-size:14px}
@media (max-width:860px){.sd-dl-grid{grid-template-columns:1fr}.sd-dl-card{padding:28px 22px}}

/* ═══════════════════════════ APP ═══════════════════════════ */
.sd-app-page{background:var(--bg)}
.sd-app{min-height:100vh;min-height:100dvh}
.sd-boot{min-height:100dvh;display:grid;place-content:center;justify-items:center;gap:14px;color:var(--ink-3)}
.sd-seal{width:64px;height:64px;border-radius:50%;display:grid;place-items:center;font-size:28px;background:radial-gradient(circle at 35% 30%,#E46C83,#B23452 60%,#86203A);color:#FFE3E8;box-shadow:0 6px 18px rgba(120,20,40,.35)}
.sd-pulse{animation:sdPulse 1.6s var(--ease) infinite}
@keyframes sdPulse{0%,100%{transform:scale(1)}50%{transform:scale(1.08)}}

/* auth */
.sd-auth{min-height:100dvh;display:grid;grid-template-columns:1fr 1fr}
.sd-auth-art{position:relative;background:radial-gradient(120% 90% at 30% 0%,#3A2C7A,#1B1440 50%,#0C0920);color:#F3EEE6;display:flex;flex-direction:column;justify-content:space-between;padding:40px 48px;overflow:hidden}
.sd-auth-art .sd-logo{color:#F3EEE6;position:relative;z-index:2}
.sd-auth-art blockquote{position:relative;z-index:2;margin:0;font-family:var(--serif);font-size:clamp(22px,2.4vw,30px);line-height:1.6;max-width:460px}
.sd-auth-art blockquote em{display:block;font-family:var(--script);font-style:normal;color:var(--gold-2);font-size:.85em;margin-top:14px}
.sd-auth-art small{position:relative;z-index:2;color:#9E97BF}
.sd-auth-form{display:grid;place-items:center;padding:40px 24px}
.sd-auth-box{width:min(420px,100%)}
.sd-auth-box h1{font-size:32px;margin-bottom:6px}
.sd-auth-box .sub{color:var(--ink-2);margin-bottom:28px}
.sd-otp{display:flex;gap:10px;justify-content:space-between;margin:8px 0 18px}
.sd-otp input{width:100%;aspect-ratio:.86;max-width:58px;text-align:center;font-size:26px;font-weight:700;border-radius:14px;border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink);transition:border-color .2s,box-shadow .2s,transform .2s}
.sd-otp input:focus{outline:0;border-color:var(--gold);box-shadow:0 0 0 4px rgba(201,162,94,.2);transform:translateY(-2px)}
.sd-otp.err input{border-color:var(--bad);animation:sdShake .4s}
@keyframes sdShake{20%,60%{transform:translateX(-5px)}40%,80%{transform:translateX(5px)}}
.sd-auth-foot{margin-top:26px;font-size:14px;color:var(--ink-3);display:flex;gap:8px;align-items:flex-start}
.sd-auth-foot .sd-i{color:var(--ok);margin-top:3px}
@media (max-width:860px){.sd-auth{grid-template-columns:1fr}.sd-auth-art{min-height:250px;padding:28px 24px}.sd-auth-art blockquote{font-size:20px;margin-top:30px}.sd-auth-art small{display:none}}

/* shell */
.sd-shell{display:grid;grid-template-columns:268px 1fr;min-height:100dvh}
.sd-side{position:sticky;top:0;height:100dvh;padding:22px 16px;display:flex;flex-direction:column;gap:6px;background:var(--surface);border-right:1px solid var(--line);overflow-y:auto}
.sd-side .sd-logo{padding:4px 10px 18px;color:var(--ink)}
.sd-navlink{display:flex;align-items:center;gap:12px;padding:11px 14px;border-radius:14px;text-decoration:none;color:var(--ink-2);font-weight:500;transition:background .2s,color .2s;position:relative;border:0;background:none;cursor:pointer;width:100%;text-align:left;font-size:15.5px}
.sd-navlink:hover{background:var(--surface-2);color:var(--ink)}
.sd-navlink.on{background:var(--accent-soft);color:var(--accent-ink);font-weight:600}
.sd-navlink .sd-i{width:22px;height:22px}
.sd-navlink .badge{margin-left:auto}
.sd-side-sep{height:1px;background:var(--line);margin:10px 8px}
.sd-side-label{font-size:12px;font-weight:600;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);padding:8px 14px 2px}
.sd-side-foot{margin-top:auto;padding:14px;border-radius:var(--r);background:var(--surface-2);display:flex;gap:12px;align-items:center}
.sd-avatar{width:40px;height:40px;border-radius:50%;flex:none;display:grid;place-items:center;font-weight:700;background:linear-gradient(140deg,#E9CF96,#B48843);color:#2A1E07}
.sd-side-foot .who{min-width:0;flex:1}
.sd-side-foot .who b{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;font-size:14.5px}
.sd-side-foot .who small{display:block;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;color:var(--ink-3);font-size:12.5px}
.badge{display:inline-grid;place-items:center;min-width:22px;height:22px;padding:0 7px;border-radius:999px;background:var(--couple);color:#fff;font-size:12px;font-weight:700}
.sd-main{min-width:0;padding:30px clamp(18px,4vw,48px) 120px}
.sd-topbar{display:flex;align-items:center;gap:12px;margin-bottom:26px;min-height:46px}
.sd-topbar h1{font-size:clamp(22px,2.6vw,30px);margin:0;flex:1;min-width:0}
.sd-topbar .crumb{font-size:14px;color:var(--ink-3);display:block;font-weight:500}
.sd-mtop{display:none}
.sd-tabbar{display:none}
@media (max-width:900px){
  .sd-shell{grid-template-columns:1fr}
  .sd-side{display:none}
  .sd-main{padding:12px 16px 110px}
  .sd-mtop{display:flex;align-items:center;gap:8px;position:sticky;top:0;z-index:30;margin:0 -16px 10px;padding:10px 12px;background:color-mix(in srgb,var(--bg) 85%,transparent);backdrop-filter:blur(12px)}
  .sd-mtop .sd-logo{color:var(--ink);font-size:18px}
  .sd-mtop .sd-logo-mark{width:32px;height:32px}
  .sd-mtop .sp{flex:1}
  .sd-tabbar{display:grid;grid-template-columns:repeat(5,1fr);position:fixed;z-index:40;left:10px;right:10px;bottom:calc(10px + env(safe-area-inset-bottom));padding:6px;border-radius:24px;background:color-mix(in srgb,var(--surface) 92%,transparent);backdrop-filter:blur(18px);box-shadow:var(--shadow-3),inset 0 0 0 1px var(--line)}
  .sd-tab{display:flex;flex-direction:column;align-items:center;gap:2px;padding:7px 2px;border:0;background:none;border-radius:18px;color:var(--ink-3);font-size:11.5px;font-weight:500;cursor:pointer;position:relative;transition:color .2s,background .2s}
  .sd-tab .sd-i{width:23px;height:23px}
  .sd-tab.on{color:var(--accent-ink);background:var(--accent-soft)}
  .sd-tab.write{color:#fff}
  .sd-tab.write span.fab{width:50px;height:50px;margin-top:-26px;border-radius:18px;display:grid;place-items:center;background:linear-gradient(135deg,#E9CF96,#B48843);color:#2A1E07;box-shadow:0 8px 20px rgba(201,162,94,.45)}
  .sd-tab .badge{position:absolute;top:2px;right:calc(50% - 22px);min-width:18px;height:18px;font-size:10.5px;padding:0 5px}
  .sd-topbar{margin-bottom:18px;flex-wrap:wrap}
  .sd-topbar h1{font-size:22px}
  .sd-topbar .sd-btn>span{display:none}
  .sd-topbar .sd-btn{min-height:40px;padding:.5em .9em}
}

/* view transition */
.sd-view{animation:sdIn .45s var(--ease) both}
@keyframes sdIn{from{opacity:0;transform:translateY(12px)}to{opacity:1;transform:none}}
.sd-stagger>*{animation:sdIn .5s var(--ease) both}
.sd-stagger>*:nth-child(2){animation-delay:.04s}.sd-stagger>*:nth-child(3){animation-delay:.08s}.sd-stagger>*:nth-child(4){animation-delay:.12s}.sd-stagger>*:nth-child(5){animation-delay:.16s}.sd-stagger>*:nth-child(6){animation-delay:.2s}.sd-stagger>*:nth-child(7){animation-delay:.24s}.sd-stagger>*:nth-child(n+8){animation-delay:.28s}

/* cards & grid */
.sd-card{background:var(--surface);border-radius:var(--r-l);box-shadow:var(--shadow-1);border:1px solid var(--line);padding:22px}
.sd-card h3{font-size:18px;margin-bottom:12px;display:flex;align-items:center;gap:10px}
.sd-card h3 .sd-i{color:var(--accent-ink)}
.sd-grid{display:grid;gap:18px}
.sd-g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.sd-g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.sd-g4{grid-template-columns:repeat(4,minmax(0,1fr))}
@media (max-width:1100px){.sd-g4{grid-template-columns:repeat(2,minmax(0,1fr))}.sd-g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:640px){.sd-g2,.sd-g3{grid-template-columns:1fr}}
.sd-row{display:flex;gap:10px;align-items:center;flex-wrap:wrap}
.sd-row.end{justify-content:flex-end}
.sd-row.between{justify-content:space-between}
.sd-sp{flex:1}
.sd-gap{height:18px}

/* greeting hero */
.sd-greet{position:relative;overflow:hidden;border-radius:var(--r-xl);padding:34px 34px 30px;background:radial-gradient(120% 140% at 100% 0%,#3A2C7A,#1B1440 55%,#120E2B);color:#F3EEE6;box-shadow:var(--shadow-2);margin-bottom:22px}
.sd-greet .sd-sky{opacity:.85}
.sd-greet>*:not(.sd-sky){position:relative}
.sd-greet small{color:#B4ADCF;font-size:14.5px}
.sd-greet h2{font-size:clamp(24px,3vw,34px);margin:4px 0 8px}
.sd-greet h2 .sd-script{color:var(--gold-2);font-size:1.1em}
.sd-greet p{color:#CFC8E6;max-width:560px;margin-bottom:20px}
.sd-greet-stats{display:flex;gap:28px;flex-wrap:wrap}
.sd-greet-stats div b{display:block;font-size:26px;line-height:1.2;color:#fff}
.sd-greet-stats div span{font-size:13.5px;color:#B4ADCF}

/* stat tiles */
.sd-stat{padding:20px;border-radius:var(--r-l);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);display:flex;gap:14px;align-items:center}
.sd-stat .si{width:46px;height:46px;border-radius:14px;flex:none;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-ink)}
.sd-stat b{display:block;font-size:24px;line-height:1.15}
.sd-stat span{font-size:13.5px;color:var(--ink-3)}

/* space cards (dashboard) */
.sd-space{text-decoration:none;position:relative;overflow:hidden;border-radius:var(--r-xl);padding:28px;min-height:230px;display:flex;flex-direction:column;cursor:pointer;color:#fff;box-shadow:var(--shadow-2);transition:transform .35s var(--ease),box-shadow .35s;isolation:isolate;border:0;text-align:left;width:100%}
.sd-space:hover{transform:translateY(-4px);box-shadow:var(--shadow-3)}
.sd-space.k-child{background:linear-gradient(140deg,#F1A35E,#D9803F 45%,#A8551E)}
.sd-space.k-couple{background:linear-gradient(140deg,#EE8CA2,#D45D79 45%,#9C2F4B)}
.sd-space::after{content:"";position:absolute;width:280px;height:280px;border-radius:50%;right:-80px;top:-100px;background:rgba(255,255,255,.14);z-index:-1}
.sd-space::before{content:"";position:absolute;width:180px;height:180px;border-radius:50%;right:40px;bottom:-110px;background:rgba(255,255,255,.08);z-index:-1}
.sd-space .ico{width:52px;height:52px;border-radius:16px;display:grid;place-items:center;background:rgba(255,255,255,.2);margin-bottom:16px}
.sd-space .ico .sd-i{width:28px;height:28px}
.sd-space h3{font-size:23px;margin:0}
.sd-space .s{font-family:var(--script);font-size:19px;opacity:.92}
.sd-space .foot{margin-top:auto;display:flex;align-items:flex-end;gap:12px;padding-top:18px}
.sd-space .foot b{font-size:30px;line-height:1}
.sd-space .foot span{font-size:14px;opacity:.88}
.sd-space .go{margin-left:auto;width:44px;height:44px;border-radius:50%;background:rgba(255,255,255,.22);display:grid;place-items:center;transition:transform .3s var(--spring)}
.sd-space:hover .go{transform:translateX(4px)}

/* people chips */
.sd-people{display:flex;gap:12px;overflow-x:auto;padding:4px 2px 10px;scrollbar-width:none;margin-bottom:8px}
.sd-people::-webkit-scrollbar{display:none}
.sd-person{flex:none;display:flex;align-items:center;gap:12px;padding:10px 16px 10px 10px;border-radius:999px;background:var(--surface);border:1.5px solid var(--line);cursor:pointer;transition:border-color .2s,background .2s,transform .2s}
.sd-person:hover{transform:translateY(-1px)}
.sd-person.on{border-color:var(--accent);background:var(--accent-soft)}
.sd-person .em{width:40px;height:40px;border-radius:50%;display:grid;place-items:center;font-size:21px;background:var(--accent-soft)}
.sd-person b{display:block;font-size:15px;line-height:1.25}
.sd-person small{display:block;font-size:12.5px;color:var(--ink-3);line-height:1.3}
.sd-person.add{border-style:dashed;color:var(--ink-2)}
.sd-person.add .em{background:transparent;border:1.5px dashed var(--line-2)}

/* filter chips / segmented */
.sd-chips{display:flex;gap:8px;flex-wrap:wrap}
.sd-chip{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:999px;border:1.5px solid var(--line);background:var(--surface);color:var(--ink-2);font-size:14px;font-weight:500;cursor:pointer;transition:all .2s;white-space:nowrap}
.sd-chip:hover{border-color:var(--line-2);color:var(--ink)}
.sd-chip.on{background:var(--ink);border-color:var(--ink);color:var(--bg)}
.sd-chip .n{opacity:.65;font-size:12.5px}
.sd-seg{display:inline-flex;padding:4px;border-radius:999px;background:var(--surface-2);border:1px solid var(--line)}
.sd-seg button{border:0;background:none;padding:7px 16px;border-radius:999px;cursor:pointer;font-weight:500;font-size:14px;color:var(--ink-2);transition:all .2s}
.sd-seg button.on{background:var(--surface);color:var(--ink);box-shadow:var(--shadow-1)}

/* letter cards */
.sd-letters{display:grid;grid-template-columns:repeat(auto-fill,minmax(290px,1fr));gap:18px}
.sd-lcard{position:relative;border-radius:var(--r-l);background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);padding:20px 20px 16px;cursor:pointer;transition:transform .3s var(--ease),box-shadow .3s;overflow:hidden;display:flex;flex-direction:column;min-height:196px;text-align:left;width:100%;color:inherit}
.sd-lcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.sd-lcard::before{content:"";position:absolute;inset:0 0 auto;height:4px;background:linear-gradient(90deg,var(--accent-2),var(--accent))}
.sd-lcard.sent::before{background:linear-gradient(90deg,#7DD3A8,var(--ok))}
.sd-lcard.error::before{background:var(--bad)}
.sd-lcard .top{display:flex;align-items:center;gap:10px;margin-bottom:12px}
.sd-lcard .mood{width:40px;height:40px;border-radius:12px;display:grid;place-items:center;font-size:21px;background:var(--accent-soft);flex:none}
.sd-lcard .to{font-size:13px;color:var(--ink-3);line-height:1.3}
.sd-lcard .to b{display:block;color:var(--ink-2);font-size:14px}
.sd-lcard .fav{margin-left:auto;color:var(--gold)}
.sd-lcard h4{font-size:17.5px;margin:0 0 6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sd-lcard p{font-family:var(--serif);color:var(--ink-2);font-size:15px;line-height:1.7;margin:0 0 12px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.sd-lcard .meta{margin-top:auto;display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--ink-3)}
.sd-lcard .meta .sd-i{width:15px;height:15px}
.sd-pill{display:inline-flex;align-items:center;gap:5px;padding:3px 10px;border-radius:999px;font-size:12.5px;font-weight:600;background:var(--accent-soft);color:var(--accent-ink);white-space:nowrap}
.sd-pill.ok{background:rgba(47,158,110,.12);color:var(--ok)}
.sd-pill.bad{background:rgba(208,75,75,.12);color:var(--bad)}
.sd-pill.gold{background:rgba(201,162,94,.16);color:var(--gold-ink)}
.sd-pill.mute{background:var(--surface-2);color:var(--ink-3)}
.sd-pill .sd-i{width:14px;height:14px}
.sd-count{display:flex;gap:6px;margin-top:10px}
.sd-count div{flex:1;text-align:center;padding:6px 2px;border-radius:10px;background:var(--surface-2)}
.sd-count b{display:block;font-size:17px;line-height:1.2;color:var(--accent-ink)}
.sd-count small{font-size:11px;color:var(--ink-3)}

/* timeline */
.sd-tl{position:relative;padding-left:34px}
.sd-tl::before{content:"";position:absolute;left:12px;top:6px;bottom:6px;width:2px;background:linear-gradient(var(--accent),var(--line-2))}
.sd-tl-year{position:relative;font-weight:700;font-size:20px;margin:26px 0 12px}
.sd-tl-year::before{content:"";position:absolute;left:-29px;top:9px;width:16px;height:16px;border-radius:50%;background:var(--surface);box-shadow:0 0 0 3px var(--accent)}
.sd-tl-year small{font-weight:500;font-size:14px;color:var(--ink-3);margin-left:8px}
.sd-tl-item{position:relative;margin-bottom:12px}
.sd-tl-item::before{content:"";position:absolute;left:-26px;top:22px;width:10px;height:10px;border-radius:50%;background:var(--accent-2)}

/* empty state */
.sd-empty{text-align:center;padding:56px 20px;border-radius:var(--r-xl);border:2px dashed var(--line-2);background:var(--surface)}
.sd-empty .art{width:110px;height:110px;margin:0 auto 18px;border-radius:50%;display:grid;place-items:center;background:var(--accent-soft);color:var(--accent-ink);animation:sdFloat 5s ease-in-out infinite}
.sd-empty .art .sd-i{width:50px;height:50px}
.sd-empty h3{font-size:21px}
.sd-empty p{color:var(--ink-2);max-width:440px;margin:0 auto 20px}

/* skeleton */
.sd-skel{border-radius:var(--r-l);background:linear-gradient(90deg,var(--surface) 0%,var(--surface-2) 50%,var(--surface) 100%);background-size:200% 100%;animation:sdShim 1.2s linear infinite;min-height:170px;border:1px solid var(--line)}
@keyframes sdShim{to{background-position:-200% 0}}

/* forms */
.sd-field{display:block;margin-bottom:16px}
.sd-field>span{display:block;font-weight:600;font-size:14.5px;margin-bottom:6px;color:var(--ink-2)}
.sd-field>small{display:block;color:var(--ink-3);font-size:13px;margin-top:5px;line-height:1.5}
.sd-in,.sd-body .sd-in{width:100%;min-height:48px;padding:11px 15px;border-radius:14px;border:1.5px solid var(--line-2);background:var(--surface);color:var(--ink);font:inherit;font-size:16px;transition:border-color .2s,box-shadow .2s}
.sd-in:focus{outline:0;border-color:var(--accent);box-shadow:0 0 0 4px color-mix(in srgb,var(--accent) 18%,transparent)}
.sd-in::placeholder{color:var(--ink-3);opacity:.8}
textarea.sd-in{min-height:110px;resize:vertical;line-height:1.7}
select.sd-in{appearance:none;background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%237C7796' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:18px;padding-right:42px}
.sd-in-ico{position:relative}
.sd-in-ico .sd-i{position:absolute;left:15px;top:50%;transform:translateY(-50%);color:var(--ink-3);pointer-events:none}
.sd-in-ico .sd-in{padding-left:46px}
.sd-toggle{display:flex;align-items:center;gap:14px;padding:14px 0;cursor:pointer;border-bottom:1px solid var(--line)}
.sd-toggle:last-child{border-bottom:0}
.sd-toggle .t{flex:1}
.sd-toggle .t b{display:block;font-weight:600;font-size:15.5px}
.sd-toggle .t small{color:var(--ink-3);font-size:13.5px}
.sd-switch{position:relative;width:48px;height:28px;flex:none}
.sd-switch input{opacity:0;position:absolute;inset:0;margin:0;cursor:pointer}
.sd-switch i{position:absolute;inset:0;border-radius:999px;background:var(--line-2);transition:background .2s;pointer-events:none}
.sd-switch i::after{content:"";position:absolute;left:3px;top:3px;width:22px;height:22px;border-radius:50%;background:#fff;box-shadow:0 2px 4px rgba(0,0,0,.2);transition:transform .25s var(--spring)}
.sd-switch input:checked+i{background:var(--ok)}
.sd-switch input:checked+i::after{transform:translateX(20px)}
.sd-err{color:var(--bad);font-size:14px;margin-top:8px}

/* ───── editor ───── */
.sd-editor{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:24px;align-items:start}
@media (max-width:1100px){.sd-editor{grid-template-columns:1fr}}
.sd-paper{position:relative;border-radius:var(--r-l);background:var(--paper);box-shadow:var(--shadow-2);padding:34px 34px 26px 62px;min-height:560px;border:1px solid var(--line);overflow:hidden}
.sd-paper::before{content:"";position:absolute;top:0;bottom:0;left:44px;width:2px;background:var(--paper-margin)}
.sd-paper .holes{position:absolute;left:14px;top:60px;bottom:60px;display:flex;flex-direction:column;justify-content:space-around}
.sd-paper .holes i{width:14px;height:14px;border-radius:50%;background:var(--bg);box-shadow:inset 0 1px 3px rgba(0,0,0,.18)}
.sd-paper .date{font-family:var(--serif);color:var(--ink-3);font-size:15px;text-align:right;margin-bottom:6px}
.sd-paper .title{width:100%;border:0;background:transparent;font:700 24px/1.4 var(--font);color:var(--ink);padding:4px 0 8px;margin-bottom:6px;outline:0}
.sd-paper .title::placeholder{color:var(--ink-3);opacity:.6}
.sd-paper .salute{font-family:var(--script);font-size:24px;color:var(--accent-ink);line-height:34px;margin-bottom:0}
.sd-paper textarea.body{display:block;width:100%;min-height:380px;border:0;outline:0;resize:none;background:transparent;color:var(--ink);font:400 18px/34px var(--serif);padding:0;background-image:repeating-linear-gradient(to bottom,transparent 0 33px,var(--paper-line) 33px 34px);background-attachment:local;overflow:hidden}
.sd-paper textarea.body::placeholder{color:var(--ink-3);opacity:.55}
.sd-paper .sign{text-align:right;font-family:var(--script);font-size:22px;color:var(--accent-ink);margin-top:10px}
.sd-paper .interim{font-family:var(--serif);color:var(--ink-3);font-style:italic;min-height:0}
.sd-tools{display:flex;gap:6px;flex-wrap:wrap;align-items:center;padding:10px;border-radius:18px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);margin-bottom:14px;position:sticky;top:10px;z-index:5}
@media (max-width:900px){.sd-tools{top:62px}}
.sd-tool{display:inline-flex;align-items:center;gap:7px;padding:8px 13px;border-radius:12px;border:0;background:transparent;color:var(--ink-2);cursor:pointer;font-weight:500;font-size:14px;transition:background .2s,color .2s}
.sd-tool:hover{background:var(--surface-2);color:var(--ink)}
.sd-tool.on{background:var(--accent-soft);color:var(--accent-ink)}
.sd-tool.rec{background:rgba(208,75,75,.12);color:var(--bad)}
.sd-tool .sd-i{width:19px;height:19px}
.sd-tools .wc{margin-left:auto;font-size:13px;color:var(--ink-3);padding-right:6px}
.sd-live-dot{width:9px;height:9px;border-radius:50%;background:var(--bad);animation:sdPulse 1s infinite;display:inline-block}
.sd-panel{position:sticky;top:10px;display:grid;gap:16px}
.sd-panel .sd-card{padding:18px}
.sd-moods{display:grid;grid-template-columns:repeat(6,1fr);gap:6px}
.sd-mood{aspect-ratio:1;border-radius:12px;border:1.5px solid transparent;background:var(--surface-2);font-size:21px;cursor:pointer;transition:transform .2s var(--spring),border-color .2s}
.sd-mood:hover{transform:scale(1.1)}
.sd-mood.on{border-color:var(--accent);background:var(--accent-soft);transform:scale(1.06)}
.sd-presets{display:flex;gap:6px;flex-wrap:wrap;margin:8px 0 4px}
.sd-presets .sd-chip{font-size:13px;padding:5px 11px}
.sd-when-out{margin-top:8px;padding:10px 14px;border-radius:12px;background:var(--accent-soft);color:var(--accent-ink);font-size:14px;font-weight:500;display:flex;gap:8px;align-items:center}
.sd-attach{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;margin-top:6px}
.sd-thumb{position:relative;aspect-ratio:1;border-radius:12px;overflow:hidden;background:var(--surface-2)}
.sd-thumb img{width:100%;height:100%;object-fit:cover}
.sd-thumb button{position:absolute;top:4px;right:4px;width:26px;height:26px;border-radius:50%;border:0;background:rgba(0,0,0,.55);color:#fff;display:grid;place-items:center;cursor:pointer}
.sd-thumb button .sd-i{width:14px;height:14px}
.sd-thumb.up::after{content:"";position:absolute;inset:0;background:rgba(0,0,0,.35)}
.sd-add-tile{aspect-ratio:1;border-radius:12px;border:1.5px dashed var(--line-2);background:transparent;color:var(--ink-3);display:grid;place-items:center;cursor:pointer;transition:all .2s}
.sd-add-tile:hover{border-color:var(--accent);color:var(--accent-ink);background:var(--accent-soft)}
.sd-voice-row{display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:14px;background:var(--surface-2);margin-top:8px}
.sd-voice-row .sd-i{color:var(--accent-ink)}
.sd-voice-row span{flex:1;font-size:14px}
.sd-rec-ui{display:flex;align-items:center;gap:12px;padding:12px 14px;border-radius:14px;background:rgba(208,75,75,.08);margin-top:8px}
.sd-rec-ui canvas{flex:1;height:34px;min-width:0}
.sd-rec-ui b{font-variant-numeric:tabular-nums;color:var(--bad);font-size:15px}

/* player */
.sd-player{display:flex;align-items:center;gap:12px;padding:12px 16px;border-radius:999px;background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-1);margin:8px 0}
.sd-player .pp{width:42px;height:42px;border-radius:50%;border:0;background:var(--accent);color:#fff;display:grid;place-items:center;cursor:pointer;flex:none}
.sd-player .pp .sd-i{width:18px;height:18px}
.sd-player .bars{flex:1;height:32px;display:flex;align-items:center;gap:2px;cursor:pointer}
.sd-player .bars i{flex:1;border-radius:2px;background:var(--line-2);transition:background .15s}
.sd-player .bars i.on{background:var(--accent)}
.sd-player .t{font-size:13px;color:var(--ink-3);font-variant-numeric:tabular-nums;min-width:40px;text-align:right}

/* ───── reader ───── */
.sd-reader-stage{min-height:calc(100dvh - 140px);display:grid;place-items:center;padding:20px 0;perspective:1600px}
.sd-env{position:relative;width:min(460px,92vw);aspect-ratio:1.5;cursor:pointer;transform-style:preserve-3d;animation:sdEnvIn .9s var(--spring) both}
@keyframes sdEnvIn{from{opacity:0;transform:translateY(40px) rotate(-6deg) scale(.9)}to{opacity:1;transform:rotate(-2deg)}}
.sd-env:hover{animation:none;transform:rotate(0) scale(1.02);transition:transform .4s var(--ease)}
.sd-env .back{position:absolute;inset:0;border-radius:16px;background:linear-gradient(160deg,var(--env-a,#EFD9C6),var(--env-b,#D9B79E));box-shadow:0 40px 80px rgba(20,14,50,.3)}
.sd-env .front{position:absolute;inset:0;border-radius:16px;overflow:hidden}
.sd-env .front::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,var(--env-c,#F5E4D3),var(--env-a,#E2C3AA));clip-path:polygon(0 0,50% 58%,100% 0,100% 100%,0 100%)}
.sd-env .flap{position:absolute;inset:0 0 auto;height:62%;transform-origin:top;transition:transform 1s var(--ease);z-index:3}
.sd-env .flap::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,var(--env-b,#E8CDB6),var(--env-a,#D7B297));clip-path:polygon(0 0,100% 0,50% 100%);border-radius:16px 16px 0 0}
.sd-env .wseal{position:absolute;left:50%;top:50%;width:72px;height:72px;margin:-36px 0 0 -36px;border-radius:50%;z-index:4;background:radial-gradient(circle at 35% 30%,#E46C83,#B23452 60%,#86203A);display:grid;place-items:center;color:#FFE3E8;box-shadow:0 6px 16px rgba(120,20,40,.45),inset 0 -3px 6px rgba(0,0,0,.25);transition:transform .6s var(--spring),opacity .5s}
.sd-env .wseal .sd-i{width:34px;height:34px}
.sd-env .addr{position:absolute;left:6%;right:6%;bottom:7%;text-align:center;z-index:5;color:#5C4636;font-family:var(--script);font-size:clamp(17px,4.4vw,22px);line-height:1.35}
.sd-env .addr small{display:block;font-family:var(--font);font-size:13px;color:#8B7362}
.sd-env.k-couple{--env-a:#F1C9CF;--env-b:#E3A7B2;--env-c:#F8DDE1}
.sd-env.k-child{--env-a:#F5D6B4;--env-b:#E8B987;--env-c:#FAE6CF}
.sd-env.opening .flap{transform:rotateX(180deg);z-index:0}
.sd-env.opening .wseal{transform:scale(1.6);opacity:0}
.sd-env.opening{animation:sdEnvOut 1.4s var(--ease) .55s forwards}
@keyframes sdEnvOut{to{transform:translateY(60vh) rotate(4deg);opacity:0}}
.sd-tap{margin-top:30px;color:var(--ink-3);text-align:center;font-size:15px;animation:sdPulse 2s infinite}
.sd-letter{position:relative;width:min(760px,100%);margin:0 auto;border-radius:6px;background:var(--paper);box-shadow:var(--shadow-3);padding:clamp(28px,5vw,60px) clamp(22px,5vw,64px);animation:sdUnfold 1s var(--ease) both;transform-origin:top}
@keyframes sdUnfold{from{opacity:0;transform:translateY(60px) rotateX(-20deg) scale(.96)}to{opacity:1;transform:none}}
.sd-letter::before{content:"";position:absolute;inset:0;border-radius:inherit;pointer-events:none;background:radial-gradient(120% 80% at 50% 0%,transparent 60%,rgba(120,90,40,.05));}
.sd-letter .ldate{text-align:right;font-family:var(--serif);color:var(--ink-3);font-size:15px}
.sd-letter .lmeta{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end;margin:8px 0 26px}
.sd-letter h2{font-size:clamp(24px,3vw,32px);margin-bottom:18px}
.sd-letter .salute{font-family:var(--script);font-size:28px;color:var(--accent-ink);margin-bottom:12px}
.sd-letter .lbody{font-family:var(--serif);font-size:clamp(17.5px,1.8vw,20px);line-height:2;white-space:pre-wrap;word-wrap:break-word}
.sd-letter .lbody span.w{opacity:0;animation:sdWord .5s var(--ease) forwards}
@keyframes sdWord{from{opacity:0;filter:blur(4px)}to{opacity:1;filter:none}}
.sd-letter .lsign{text-align:right;margin-top:34px;font-family:var(--script);font-size:28px;color:var(--accent-ink)}
.sd-letter .lsign small{display:block;font-family:var(--font);font-size:14px;color:var(--ink-3)}
.sd-letter .ow{margin-bottom:24px;padding:14px 18px;border-radius:14px;background:var(--accent-soft);color:var(--accent-ink);font-weight:500;display:flex;gap:10px;align-items:center}
.sd-polaroids{display:flex;flex-wrap:wrap;gap:22px;justify-content:center;margin:34px 0 10px}
.sd-polaroid{background:#fff;padding:10px 10px 34px;box-shadow:0 10px 26px rgba(0,0,0,.18);width:min(220px,42vw);transform:rotate(var(--r,-3deg));transition:transform .35s var(--spring);cursor:zoom-in;animation:sdDrop .8s var(--spring) both}
.sd-polaroid:nth-child(2n){--r:3deg}.sd-polaroid:nth-child(3n){--r:-1.5deg}
.sd-polaroid:hover{transform:rotate(0) scale(1.05);z-index:2}
.sd-polaroid img{width:100%;aspect-ratio:1;object-fit:cover}
@keyframes sdDrop{from{opacity:0;transform:translateY(-30px) rotate(12deg)}}
.sd-hearts{position:fixed;inset:0;pointer-events:none;z-index:90;overflow:hidden}
.sd-hearts i{position:absolute;bottom:-40px;font-style:normal;font-size:22px;animation:sdRise linear forwards}
@keyframes sdRise{to{transform:translateY(-115vh) rotate(var(--rot,30deg));opacity:0}}
.sd-thread{width:min(760px,100%);margin:28px auto 0}
.sd-bubble{max-width:82%;padding:12px 16px;border-radius:18px 18px 18px 6px;background:var(--surface);border:1px solid var(--line);margin-bottom:10px;box-shadow:var(--shadow-1)}
.sd-bubble.mine{margin-left:auto;border-radius:18px 18px 6px 18px;background:var(--accent-soft);border-color:transparent}
.sd-bubble small{display:block;color:var(--ink-3);font-size:12.5px;margin-bottom:2px}
.sd-bubble div{white-space:pre-wrap;font-family:var(--serif);font-size:16px}

/* inbox */
.sd-inbox{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:22px}
.sd-mail{position:relative;aspect-ratio:1.5;border-radius:16px;cursor:pointer;border:0;padding:0;background:none;transition:transform .35s var(--ease);text-align:center}
.sd-mail:hover{transform:translateY(-4px) rotate(-1deg)}
.sd-mail .back{position:absolute;inset:0;border-radius:16px;background:linear-gradient(160deg,var(--env-a),var(--env-b));box-shadow:var(--shadow-2)}
.sd-mail .front{position:absolute;inset:0;border-radius:16px;overflow:hidden}
.sd-mail .front::before{content:"";position:absolute;inset:0;background:linear-gradient(160deg,var(--env-c),var(--env-a));clip-path:polygon(0 0,50% 55%,100% 0,100% 100%,0 100%)}
.sd-mail .front::after{content:"";position:absolute;inset:0 0 auto;height:56%;background:linear-gradient(180deg,var(--env-b),var(--env-a));clip-path:polygon(0 0,100% 0,50% 100%)}
.sd-mail .ms{position:absolute;left:50%;top:55%;width:46px;height:46px;margin:-23px 0 0 -23px;border-radius:50%;background:radial-gradient(circle at 35% 30%,#E46C83,#B23452 60%,#86203A);display:grid;place-items:center;color:#FFE3E8;font-size:20px;z-index:2;box-shadow:0 4px 10px rgba(120,20,40,.4)}
.sd-mail .mt{position:absolute;left:12px;right:12px;bottom:12px;z-index:2;color:#5C4636;font-size:13.5px;line-height:1.35}
.sd-mail .mt b{display:block;font-size:15px;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.sd-mail.k-couple{--env-a:#F1C9CF;--env-b:#E3A7B2;--env-c:#F8DDE1}
.sd-mail.k-child{--env-a:#F5D6B4;--env-b:#E8B987;--env-c:#FAE6CF}
.sd-mail.read .ms{background:radial-gradient(circle at 35% 30%,#bbb,#888);opacity:.8}
.sd-mail .new{position:absolute;top:-8px;right:-6px;z-index:3;padding:3px 10px;border-radius:999px;background:var(--couple);color:#fff;font-size:12px;font-weight:700;box-shadow:0 4px 10px rgba(212,93,121,.4);animation:sdPulse 1.8s infinite}
.sd-waiting{display:flex;gap:14px;align-items:center;padding:18px 20px;border-radius:var(--r-l);background:linear-gradient(135deg,var(--accent-soft),transparent);border:1px solid var(--line);margin-bottom:12px}
.sd-waiting .hg{width:48px;height:48px;border-radius:14px;display:grid;place-items:center;background:var(--surface);color:var(--gold-ink);box-shadow:var(--shadow-1)}
.sd-waiting .hg .sd-i{animation:sdFlip 3s var(--ease) infinite}
@keyframes sdFlip{0%,40%{transform:rotate(0)}50%,90%{transform:rotate(180deg)}100%{transform:rotate(360deg)}}

/* modal / sheet */
.sd-modal-bg{position:fixed;inset:0;z-index:80;background:rgba(10,7,28,.55);backdrop-filter:blur(4px);display:grid;place-items:center;padding:20px;animation:sdFade .25s both}
@keyframes sdFade{from{opacity:0}}
.sd-modal{width:min(560px,100%);max-height:calc(100dvh - 40px);overflow:auto;background:var(--surface);border-radius:var(--r-xl);box-shadow:var(--shadow-3);padding:28px;animation:sdPop .4s var(--spring) both}
.sd-modal.wide{width:min(820px,100%)}
@keyframes sdPop{from{opacity:0;transform:translateY(20px) scale(.96)}}
.sd-modal-h{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.sd-modal-h h3{margin:0;font-size:21px;flex:1}
.sd-modal-f{display:flex;gap:10px;justify-content:flex-end;margin-top:22px;flex-wrap:wrap}
@media (max-width:640px){
  .sd-modal-bg{place-items:end center;padding:0}
  .sd-modal{border-radius:28px 28px 0 0;max-height:92dvh;padding:22px 20px calc(22px + env(safe-area-inset-bottom));animation:sdSheet .4s var(--ease) both}
  .sd-modal::before{content:"";display:block;width:44px;height:5px;border-radius:5px;background:var(--line-2);margin:-8px auto 14px}
  @keyframes sdSheet{from{transform:translateY(100%)}}
  .sd-modal-f .sd-btn{flex:1}
}
.sd-emoji-pick{display:flex;gap:8px;flex-wrap:wrap}
.sd-emoji-pick button{width:44px;height:44px;border-radius:12px;border:1.5px solid var(--line);background:var(--surface-2);font-size:22px;cursor:pointer}
.sd-emoji-pick button.on{border-color:var(--accent);background:var(--accent-soft)}
.sd-lightbox{position:fixed;inset:0;z-index:95;background:rgba(5,3,15,.92);display:grid;place-items:center;padding:20px;cursor:zoom-out;animation:sdFade .2s}
.sd-lightbox img{max-width:100%;max-height:90dvh;border-radius:8px;box-shadow:0 20px 60px rgba(0,0,0,.6)}

/* toast */
.sd-toasts{position:fixed;z-index:99;left:50%;bottom:24px;transform:translateX(-50%);display:grid;gap:8px;width:min(440px,calc(100% - 24px))}
@media (max-width:900px){.sd-toasts{bottom:96px}}
.sd-toast{display:flex;gap:12px;align-items:center;padding:13px 18px;border-radius:16px;background:var(--ink);color:var(--bg);box-shadow:var(--shadow-3);animation:sdPop .35s var(--spring) both;font-weight:500;font-size:15px}
.sd-toast.bad{background:var(--bad);color:#fff}
.sd-toast.ok .sd-i{color:#7DD3A8}
.sd-toast.out{animation:sdFadeOut .3s forwards}
@keyframes sdFadeOut{to{opacity:0;transform:translateY(10px)}}

/* settings */
.sd-set-nav{display:flex;gap:6px;overflow-x:auto;scrollbar-width:none;margin-bottom:18px;padding-bottom:4px}
.sd-set-nav::-webkit-scrollbar{display:none}
.sd-device{display:flex;gap:14px;align-items:center;padding:14px 0;border-bottom:1px solid var(--line)}
.sd-device:last-child{border-bottom:0}
.sd-device .di{width:42px;height:42px;border-radius:12px;display:grid;place-items:center;background:var(--surface-2);color:var(--ink-2);flex:none}
.sd-device .dt{flex:1;min-width:0}
.sd-device .dt b{display:block;font-size:15px}
.sd-device .dt small{color:var(--ink-3);font-size:13px}
.sd-steps-check{list-style:none;padding:0;margin:12px 0 0;display:grid;gap:8px}
.sd-steps-check li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;padding:10px 12px;border-radius:12px;background:var(--surface-2)}
.sd-steps-check li .sd-i{flex:none;margin-top:2px}
.sd-steps-check li.ok .sd-i{color:var(--ok)}
.sd-steps-check li.bad .sd-i{color:var(--bad)}
.sd-danger-zone{border-color:color-mix(in srgb,var(--bad) 30%,transparent)}
.sd-theme-pick{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.sd-theme-pick button{padding:14px 10px;border-radius:16px;border:1.5px solid var(--line);background:var(--surface-2);cursor:pointer;display:flex;flex-direction:column;align-items:center;gap:6px;font-weight:500;font-size:14px}
.sd-theme-pick button.on{border-color:var(--gold);background:var(--accent-soft)}
.sd-theme-pick .sw{width:44px;height:30px;border-radius:8px;box-shadow:inset 0 0 0 1px var(--line-2)}

/* book (print) */
.sd-book-cover{text-align:center;padding:60px 20px;border-radius:var(--r-xl);background:radial-gradient(120% 120% at 50% 0%,#3A2C7A,#1B1440 60%,#0C0920);color:#F3EEE6;margin-bottom:26px}
.sd-book-cover h2{font-family:var(--script);font-weight:400;font-size:48px;color:var(--gold-2);margin:0}
.sd-book-page{break-inside:avoid;page-break-inside:avoid;margin-bottom:22px}
@media print{
  .sd-side,.sd-tabbar,.sd-mtop,.sd-topbar,.sd-noprint,.sd-toasts{display:none!important}
  .sd-shell{display:block}.sd-main{padding:0}
  body.sd-body{background:#fff;color:#111}
  .sd-letter{box-shadow:none;border:1px solid #ddd;animation:none;page-break-after:always}
  .sd-book-cover{background:#fff;color:#111;border:2px solid #111}
  .sd-book-cover h2{color:#111}
}